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Date: Mon, 30 Mar 2009 03:05:51 +0200
From: Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [Qemu-devel] mipsIV support for mips-linux-user
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To: qemu-devel@nongnu.org

On Sun, Mar 29, 2009 at 04:56:35PM -0400, Vince Weaver wrote:
> Hello
>
> I have some 32-bit mips binaries compiled with -mips4 -O3.
>
> These run fine on an actual mips r12k system I have, but fail with 
> default mips-linux-user (0.10.1).
>
> This is because by default mips-linux-user does not have support enabled  
> for mipsIV instructions.  This is because MIPS_HFLAG_COP1X
> is not enabled on any of the cpus supported by mips-linux-user.
>
> So my question, what is the correct way to fix this?  Add a R4000 class
> CPU that can be seen with mips-linux-user?  Or should the default for  
> user operation just enable this because it supports more binaries?

Did you try with a MIPS32R2 CPU? It should have COP1X instructions.

-- 
Aurelien Jarno	                        GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net